$\"\"$

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From the diagram : adjacent side = 4 and opposite side = 4.

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Now find hypotenuse by using pythagorean theorem.

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Pythagorean theorem : $\"\"$ ..

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Substitute adjacent side = 4 and opposite side = 4

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$\"\"$

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$\"\"$

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$\"\"$

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Take square root each side

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$\"\"$

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$\"\"$

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hypotenuse = $\"\"$ . $\"\"$

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$\"\"$ ,

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$\"\"$ ,

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$\"\"$ ,

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$\"\"$ ,

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$\"\"$ , and

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$\"\"$ . $\"\"$

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The values of the trigonometric functions are $\"\"$ , $\"\"$ , $\"\"$

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, $\"\"$ , $\"\"$ , and $\"\"$ .